This is classic afrikaans slang that has found it's way into the colloquial English language of predominantly Cape Town, South Africa. The direct translation means, "rough and rude" but also encompasses extremely audacious behaviour that is typically associated with drunk jocks.
1. Gyming whilst drinking cane spirit is "rof and onbeskof"
2. Having creatine mixed with animal stack before a party is "rof and onbeskof"
3. Threesomes bareback is "rof and onbeskof"
4. Stealing road signs whilst not wearing a shirt and being sure to klap gym beforehand is "rof and onbeskof"